/* roulang page: index */
:root{
  --brand:#7A2E4A;--brand-dark:#5A1F36;--accent:#E08A5B;--gold:#C9A227;
  --bg:#FBF6F2;--surface:#FFFFFF;--surface-alt:#F3E9E2;
  --text:#221A1E;--muted:#6F5E66;--line:#E8DAD2;
  --ok:#3E7C6A;--warn:#B4692E;
  --r-lg:18px;--r-sm:12px;--r-btn:10px;
  --sh:0 10px 30px rgba(90,31,54,.08);
  --sh-hover:0 16px 40px rgba(90,31,54,.14);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:"Source Han Serif SC","Songti SC",serif;color:var(--brand-dark);line-height:1.35;letter-spacing:.02em;margin:0}
h1{font-size:clamp(2rem,4vw,3.25rem)}
h2{font-size:clamp(1.5rem,2.5vw,2.25rem)}
h3{font-size:1.25rem}
h4{font-size:1.0625rem}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(122,46,74,.25);outline-offset:2px}

/* ---------- layout ---------- */
.site-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:18px;
  padding:24px 18px;overflow-y:auto;z-index:1040;
}
.page-shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.sec{padding:80px 0;position:relative}
.sec-white{background:var(--surface)}
.sec-alt{background:var(--surface-alt)}
.sec-line{border-top:1px solid var(--line)}
.sec-head{max-width:760px;margin:0 0 36px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;
  color:var(--brand);background:#F6E7EE;border-radius:999px;padding:5px 14px;margin-bottom:14px;
  letter-spacing:.04em;
}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:1rem}

/* ---------- nav ---------- */
.brand{display:flex;align-items:center;gap:10px}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;display:grid;place-items:center;
  font-family:"Source Han Serif SC","Songti SC",serif;font-weight:700;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand-text strong{font-size:13px;color:var(--brand-dark);white-space:nowrap;letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--muted);white-space:nowrap}
.nav-label{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:600;margin-top:6px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  color:var(--text);font-size:14.5px;font-weight:500;
  border-left:3px solid transparent;transition:background .2s,color .2s,border-color .2s;
}
.nav-item i{width:16px;text-align:center;font-size:13px;color:var(--muted);transition:color .2s}
.nav-item:hover{background:var(--surface-alt);color:var(--brand);text-decoration:none}
.nav-item.active{background:#F6E7EE;color:var(--brand-dark);border-left-color:var(--brand);font-weight:700}
.nav-item.active i{color:var(--brand)}
.nav-cta{
  margin-top:auto;background:linear-gradient(160deg,#F7E9EF,#F3E9E2);
  border:1px solid var(--line);border-radius:14px;padding:16px;
}
.nav-cta h4{font-size:.9375rem;margin-bottom:6px}
.nav-cta p{font-size:.8125rem;color:var(--muted);margin-bottom:12px;line-height:1.6}
.nav-cta .btn-brand{width:100%;justify-content:center;padding:10px 14px;font-size:.875rem}

.mobile-bar{
  position:sticky;top:0;z-index:1035;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 20px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.hamburger{
  width:44px;height:44px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand);display:grid;place-items:center;font-size:17px;
  transition:.2s;
}
.hamburger:hover{background:var(--surface-alt)}
.offcanvas{background:var(--surface);width:290px}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:18px}

/* ---------- buttons / badges ---------- */
.btn-brand,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-weight:600;font-size:.9375rem;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s,color .22s,border-color .22s,transform .22s,box-shadow .22s;
  text-decoration:none;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);text-decoration:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:#F6E7EE;color:var(--brand-dark);transform:translateY(-1px);text-decoration:none}
.btn-soft{background:var(--surface-alt);color:var(--brand-dark);border-color:var(--line)}
.btn-soft:hover{background:#EBD9CF;color:var(--brand-dark);text-decoration:none}
.btn-sm-x{padding:8px 16px;font-size:.875rem;border-radius:9px}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand);font-size:.8125rem;font-weight:600;line-height:1.6;
}
.badge-accent{background:#FBEBE1;color:var(--warn)}
.badge-gold{background:#F7EFD4;color:#8A6F12}
.badge-ok{background:#E4F0EB;color:var(--ok)}
.trend{
  display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:700;
  padding:2px 9px;border-radius:999px;background:#E4F0EB;color:var(--ok);
}
.trend.down{background:#FBEBE1;color:var(--warn)}

/* ---------- cards ---------- */
.card-x{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s,border-color .25s;
  height:100%;
}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DCC8BD}
.card-sm{border-radius:var(--r-sm)}
.thumb{
  border-radius:14px;overflow:hidden;background:var(--surface-alt);
  aspect-ratio:16/9;position:relative;
}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb-4x3{aspect-ratio:4/3}
.thumb-tag{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);
  color:var(--brand-dark);font-size:.75rem;font-weight:700;padding:4px 11px;border-radius:999px;
}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:0 0 80px;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(251,246,242,.95) 0%,rgba(251,246,242,.9) 60%,rgba(251,246,242,.99) 100%),url('/assets/images/2d86dc72cf3ab25d.webp');
  background-size:cover;background-position:center;
}
.flash-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  background:linear-gradient(100deg,var(--brand-dark),var(--brand) 55%,#93405F);
  color:#fff;border-radius:14px;padding:13px 20px;margin-top:26px;
  box-shadow:0 12px 28px rgba(90,31,54,.22);
}
.flash-tag{
  background:var(--gold);color:#3A2A05;font-size:.75rem;font-weight:800;
  padding:3px 11px;border-radius:999px;letter-spacing:.04em;
}
.flash-text{font-size:.9rem;opacity:.95}
.countdown{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:1.0625rem;
  letter-spacing:.06em;background:rgba(255,255,255,.16);
  padding:3px 12px;border-radius:8px;
}
.flash-link{margin-left:auto;color:#fff;font-size:.875rem;font-weight:600}
.flash-link:hover{color:#F7D9C8;text-decoration:none}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;padding-top:56px}
.hero h1{margin-bottom:18px}
.hero h1 .hl{color:var(--brand);display:inline}
.hero-lead{font-size:1.0625rem;color:#3A2C32;line-height:1.85;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px}
.trust-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.86);
  border:1px solid var(--line);border-radius:999px;padding:7px 15px;
  font-size:.8125rem;font-weight:600;color:var(--brand-dark);
}
.trust-badge i{color:var(--accent)}
.hero-card{padding:16px;display:flex;flex-direction:column;gap:16px}
.hero-card-media{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--surface-alt)}
.hero-card-media img{width:100%;height:100%;object-fit:cover}
.hero-card-tag{
  position:absolute;top:12px;left:12px;background:var(--gold);color:#3A2A05;
  font-size:.75rem;font-weight:800;padding:4px 12px;border-radius:999px;
}
.hero-card h3{font-size:1.125rem;margin-bottom:8px}
.hero-card p{font-size:.875rem;color:var(--muted);line-height:1.7}
.hero-card-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:.8125rem;color:var(--muted)}
.hero-card-meta span{display:inline-flex;align-items:center;gap:5px}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.kpi-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);transition:.25s}
.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.kpi-card .trend{position:absolute;top:18px;right:18px}
.kpi-num{font-family:"Source Han Serif SC","Songti SC",serif;font-size:2rem;font-weight:700;color:var(--brand);line-height:1.2;margin-bottom:6px}
.kpi-num small{font-size:.9375rem;font-weight:600;color:var(--muted);margin-left:4px}
.kpi-label{font-size:.875rem;color:var(--muted)}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(0,auto);gap:24px}
.bento-big{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;gap:14px;padding:28px}
.bento-big .ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:#F6E7EE;color:var(--brand);font-size:21px;margin-bottom:4px;
}
.bento-big h3{font-size:1.25rem}
.bento-big p{color:var(--muted);font-size:.9375rem}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  font-size:.75rem;font-weight:600;color:var(--brand);background:var(--surface-alt);
  border-radius:999px;padding:4px 12px;
}
.bento-small{display:flex;flex-direction:column;gap:10px;padding:22px}
.bento-small .ico{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:#FBEBE1;color:var(--warn);font-size:16px;
}
.bento-small h4{font-size:1rem}
.bento-small p{font-size:.8125rem;color:var(--muted);line-height:1.65;margin:0}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{padding:28px}
.compare-card h3{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-size:1.125rem}
.bar-item{margin-bottom:18px}
.bar-item:last-child{margin-bottom:0}
.bar-head{display:flex;justify-content:space-between;font-size:.875rem;margin-bottom:7px;color:var(--muted)}
.bar-head strong{color:var(--text);font-weight:600}
.bar-track{height:9px;border-radius:999px;background:var(--surface-alt);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#B85A79,var(--brand))}
.compare-card.after .bar-fill{background:linear-gradient(90deg,var(--accent),#C9A227)}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:26px}
.timeline::before{
  content:"";position:absolute;top:8px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,#E8DAD2,#C9A227,#E8DAD2);
}
.tl-node{position:relative;padding-top:26px}
.tl-node::before{
  content:"";position:absolute;top:0;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--surface);border:3px solid var(--brand);box-shadow:0 0 0 5px rgba(122,46,74,.08);
}
.tl-year{font-size:.8125rem;font-weight:800;color:var(--accent);letter-spacing:.08em;margin-bottom:6px}
.tl-node h4{font-size:1rem;margin-bottom:6px}
.tl-node p{font-size:.8125rem;color:var(--muted);line-height:1.65;margin:0}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;gap:14px;padding:16px;height:100%}
.news-card .thumb{aspect-ratio:16/9}
.news-body{display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:1.0625rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--brand-dark)}
.news-body h3 a:hover{color:var(--brand);text-decoration:none}
.news-body p{font-size:.875rem;color:var(--muted);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.8125rem;color:var(--muted);margin-top:auto;padding-top:6px;border-top:1px dashed var(--line)}
.news-foot a{font-weight:600;font-size:.8125rem}
.empty-box{
  text-align:center;padding:52px 24px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-lg);color:var(--muted);
}
.empty-box i{font-size:30px;color:var(--accent);margin-bottom:14px;display:block}
.empty-box p{margin-bottom:16px}

/* ---------- guarantee ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.g-item{text-align:left;padding:8px 6px}
.g-icon{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:#F6E7EE;color:var(--brand);font-size:21px;margin-bottom:16px;
}
.g-item h4{font-size:1.0625rem;margin-bottom:8px}
.g-item p{font-size:.875rem;color:var(--muted);line-height:1.7;margin:0}

/* ---------- quick pills ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quick-pill{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:16px 24px;font-weight:600;font-size:.9375rem;color:var(--brand-dark);
  transition:.22s;cursor:pointer;box-shadow:var(--sh);text-align:left;
}
.quick-pill:hover{background:#F6E7EE;transform:translateY(-2px);text-decoration:none;color:var(--brand-dark)}
.quick-pill i{color:var(--accent);font-size:13px}

/* ---------- faq ---------- */
.faq-accordion .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-accordion .accordion-button{
  background:transparent;color:var(--brand-dark);font-weight:600;font-size:1.0625rem;
  padding:22px 44px 22px 0;box-shadow:none;line-height:1.6;
  font-family:"Source Han Serif SC","Songti SC",serif;
}
.faq-accordion .accordion-button:not(.collapsed){background:#FBF1F5;color:var(--brand)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button .pm{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;background:var(--surface-alt);color:var(--brand);
  display:grid;place-items:center;font-size:13px;transition:.22s;
}
.faq-accordion .accordion-button:not(.collapsed) .pm{background:var(--brand);color:#fff;transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-body{padding:0 44px 24px 0;color:var(--muted);font-size:.9375rem;line-height:1.85}

/* ---------- form ---------- */
.form-shell{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.form-card{padding:32px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.875rem;font-weight:600;color:var(--brand-dark)}
.field input,.field select{
  height:48px;border:1px solid var(--line);border-radius:8px;background:#FFFDFC;
  padding:0 14px;font-size:.9375rem;transition:.2s;width:100%;
}
.field input:focus,.field select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,46,74,.12);outline:none;
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;color:var(--muted);line-height:1.6}
.check-row input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand)}
.form-note{font-size:.8125rem;color:var(--muted);margin-top:14px}
.aside-card{padding:28px;display:flex;flex-direction:column;gap:18px;background:linear-gradient(165deg,#F9EDF2,#F3E9E2);border:1px solid var(--line);border-radius:var(--r-lg)}
.aside-card h3{font-size:1.125rem}
.aside-list{display:flex;flex-direction:column;gap:14px}
.aside-list li{display:flex;gap:11px;font-size:.875rem;color:#4A3A41;line-height:1.7}
.aside-list i{color:var(--accent);margin-top:5px;font-size:13px}
.aside-photo{border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--surface-alt);margin-top:auto}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.topic-card{display:flex;flex-direction:column;gap:12px;padding:22px}
.topic-card h3{font-size:1.0625rem;line-height:1.5}
.topic-card p{font-size:.875rem;color:var(--muted);line-height:1.7;margin:0}
.topic-card .link-more{font-size:.875rem;font-weight:600;margin-top:auto}

/* ---------- scenes / regions ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scene-tag{
  display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:16px 20px;font-weight:600;font-size:.9375rem;color:var(--brand-dark);
  transition:.22s;box-shadow:0 4px 14px rgba(90,31,54,.05);
}
.scene-tag:hover{background:#F6E7EE;transform:translateY(-2px);text-decoration:none;color:var(--brand-dark);box-shadow:var(--sh)}
.scene-tag i{color:var(--accent);font-size:15px}
.city-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.city-chip{
  text-align:center;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:14px 8px;font-size:.9375rem;font-weight:600;color:#42333A;
  transition:.2s;
}
.city-chip:hover{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{padding:26px;display:flex;flex-direction:column;gap:14px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:46px;height:46px;border-radius:50%;flex:0 0 46px;
  background:linear-gradient(135deg,#E7C4D1,#F0D6C3);
  display:grid;place-items:center;color:var(--brand-dark);font-weight:700;font-size:1rem;
  font-family:"Source Han Serif SC","Songti SC",serif;
}
.review-top strong{display:block;font-size:.9375rem;color:var(--brand-dark)}
.review-top span{font-size:.75rem;color:var(--muted)}
.stars{color:var(--gold);font-size:.8125rem;letter-spacing:2px}
.review-card p{font-size:.875rem;color:#4A3A41;line-height:1.8;margin:0}

/* ---------- changelog ---------- */
.log-list{display:flex;flex-direction:column}
.log-item{
  display:grid;grid-template-columns:150px 110px 1fr;gap:20px;align-items:baseline;
  padding:20px 0;border-bottom:1px dashed var(--line);
}
.log-item:first-child{border-top:1px dashed var(--line)}
.log-date{font-size:.875rem;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.log-ver{font-size:.8125rem;color:var(--muted)}
.log-item p{font-size:.9375rem;color:#4A3A41;margin:0}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-card{padding:26px;position:relative}
.flow-num{
  font-family:"Source Han Serif SC","Songti SC",serif;font-size:1.75rem;font-weight:700;
  color:#E7C4D1;line-height:1;margin-bottom:12px;
}
.flow-card h4{font-size:1rem;margin-bottom:8px}
.flow-card p{font-size:.8125rem;color:var(--muted);line-height:1.7;margin:0}

/* ---------- myth ---------- */
.myth-grid{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
.myth-row{
  display:grid;grid-template-columns:1fr 1.4fr;gap:28px;
  padding:24px 0;border-bottom:1px solid var(--line);align-items:start;
}
.myth-row .wrong{display:flex;gap:10px;font-weight:600;color:#8B3A2F;font-size:.9375rem}
.myth-row .wrong i{margin-top:5px;font-size:13px;color:#B4692E}
.myth-row .right{color:var(--muted);font-size:.9375rem}

/* ---------- download ---------- */
.dl-banner{
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  background:linear-gradient(120deg,#5A1F36,#7A2E4A 62%,#93405F);
  border-radius:var(--r-lg);padding:40px;color:#fff;
  box-shadow:0 18px 44px rgba(90,31,54,.26);
}
.dl-banner h2{color:#fff;margin-bottom:12px}
.dl-banner p{color:rgba(255,255,255,.82);font-size:.9375rem;max-width:620px}
.dl-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.8125rem;color:rgba(255,255,255,.72);margin-top:16px}
.dl-right{display:flex;flex-direction:column;align-items:center;gap:14px}
.qr-box{
  width:118px;height:118px;border-radius:14px;background:rgba(255,255,255,.14);
  border:1px dashed rgba(255,255,255,.46);display:grid;place-items:center;
  color:rgba(255,255,255,.82);font-size:.75rem;text-align:center;line-height:1.5;
}
.qr-box i{display:block;font-size:22px;margin-bottom:6px}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#3A2A05}
.btn-gold:hover{background:#D9B437;border-color:#D9B437;color:#3A2A05;transform:translateY(-1px);text-decoration:none}

/* ---------- subscribe ---------- */
.sub-bar{
  display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh);
}
.sub-form{display:flex;gap:12px}
.sub-form input{
  flex:1;height:50px;border:1px solid var(--line);border-radius:8px;background:#FFFDFC;
  padding:0 16px;font-size:.9375rem;transition:.2s;
}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,46,74,.12);outline:none}
.sub-hint{font-size:.8125rem;color:var(--muted);margin-top:10px}

/* ---------- bottom cta ---------- */
.cta-band{
  background:linear-gradient(115deg,#5A1F36,#7A2E4A 58%,#A44A6C);
  color:#fff;padding:64px 0;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.84);max-width:680px;font-size:.9375rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn-light-x{background:#fff;border-color:#fff;color:var(--brand-dark)}
.btn-light-x:hover{background:#F6E7EE;border-color:#F6E7EE;color:var(--brand-dark);transform:translateY(-1px);text-decoration:none}
.btn-outline-light-x{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light-x:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;text-decoration:none}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:56px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}
.site-footer h4{color:#fff;font-size:.9375rem;margin-bottom:16px;letter-spacing:.04em}
.site-footer a{color:rgba(255,255,255,.78);font-size:.875rem}
.site-footer a:hover{color:#fff;text-decoration:none}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--accent),var(--gold))}
.footer-brand strong{color:#fff;font-size:.9375rem}
.footer-desc{font-size:.8125rem;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:rgba(255,255,255,.56);
}

/* ---------- responsive ---------- */
@media (max-width:1399.98px){
  .wrap{padding:0 32px}
}
@media (max-width:1199.98px){
  .kpi-grid,.guarantee-grid,.flow-grid,.topic-grid{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-big{grid-column:span 2;grid-row:auto}
  .news-grid,.review-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}
  .city-grid{grid-template-columns:repeat(4,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-card{max-width:520px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .dl-banner{grid-template-columns:1fr;padding:32px}
  .dl-right{flex-direction:row;align-items:center;gap:20px}
  .sub-bar{grid-template-columns:1fr;gap:22px}
  .form-shell{grid-template-columns:1fr}
}
@media (max-width:991.98px){
  .site-nav{display:none}
  .page-shell{margin-left:0}
  .mobile-bar{display:flex}
  .wrap{padding:0 20px}
  .sec{padding:56px 0}
  .hero{padding-bottom:56px}
  .hero-grid{padding-top:36px}
  .compare{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .log-item{grid-template-columns:110px 90px 1fr;gap:14px}
  .myth-row{grid-template-columns:1fr;gap:10px}
}
@media (max-width:767.98px){
  .kpi-grid,.guarantee-grid,.flow-grid,.topic-grid,.news-grid,.review-grid,.scene-grid,.bento{grid-template-columns:1fr}
  .bento-big{grid-column:span 1}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  .form-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .log-item{grid-template-columns:1fr;gap:6px}
  .flash-link{margin-left:0;width:100%}
  .sub-form{flex-direction:column}
  .sub-form .btn-brand{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-light-x,.cta-actions .btn-outline-light-x{width:100%}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .dl-right{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .form-card,.aside-card,.card-x{padding:20px}
  .dl-banner{padding:24px}
  .sub-bar{padding:22px}
}

/* roulang page: article */
:root{
  --brand:#7A2E4A;--brand-dark:#5A1F36;--accent:#E08A5B;--gold:#C9A227;
  --bg:#FBF6F2;--surface:#FFFFFF;--surface-alt:#F3E9E2;
  --text:#221A1E;--muted:#6F5E66;--line:#E8DAD2;
  --ok:#3E7C6A;--warn:#B4692E;
  --r-lg:18px;--r-sm:12px;--r-btn:10px;
  --sh:0 10px 30px rgba(90,31,54,.08);
  --sh-hover:0 16px 40px rgba(90,31,54,.14);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(122,46,74,.25);outline-offset:2px}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{font-family:"Source Han Serif SC","Songti SC",serif;font-weight:700;letter-spacing:.02em;line-height:1.35;margin:0}
p{margin:0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
/* ---------- layout ---------- */
.site-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:18px;
  padding:24px 18px;overflow-y:auto;z-index:1040;
}
.main-shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
/* ---------- nav ---------- */
.brand{display:flex;align-items:center;gap:10px}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;display:grid;place-items:center;
  font-family:"Source Han Serif SC","Songti SC",serif;font-weight:700;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand-text strong{font-size:13px;color:var(--brand-dark);white-space:nowrap;letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--muted);white-space:nowrap}
.nav-label{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:600;margin-top:6px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  color:var(--text);font-size:14.5px;font-weight:500;
  border-left:3px solid transparent;transition:background .2s,color .2s,border-color .2s;
}
.nav-item i{width:16px;text-align:center;font-size:13px;color:var(--muted);transition:color .2s}
.nav-item:hover{background:var(--surface-alt);color:var(--brand);text-decoration:none}
.nav-item.active{background:#F6E7EE;color:var(--brand-dark);border-left-color:var(--brand);font-weight:700}
.nav-item.active i{color:var(--brand)}
.nav-cta{
  margin-top:auto;background:linear-gradient(160deg,#F7E9EF,#F3E9E2);
  border:1px solid var(--line);border-radius:14px;padding:16px;
}
.nav-cta h4{font-size:.9375rem;margin-bottom:6px}
.nav-cta p{font-size:.8125rem;color:var(--muted);margin-bottom:12px;line-height:1.6}
.nav-cta .btn-brand{width:100%;justify-content:center;padding:10px 14px;font-size:.875rem}
.mobile-bar{
  position:sticky;top:0;z-index:1035;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 20px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.hamburger{
  width:44px;height:44px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand);display:grid;place-items:center;font-size:17px;transition:.2s;
}
.hamburger:hover{background:var(--surface-alt)}
.offcanvas{background:var(--surface);width:290px}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:18px}
/* ---------- buttons / badges ---------- */
.btn-brand,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-weight:600;font-size:.9375rem;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s,color .22s,border-color .22s,transform .22s,box-shadow .22s;
  text-decoration:none;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);text-decoration:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:#F6E7EE;color:var(--brand-dark);transform:translateY(-1px);text-decoration:none}
.btn-soft{background:var(--surface-alt);color:var(--brand-dark);border-color:var(--line)}
.btn-soft:hover{background:#EBD9CF;color:var(--brand-dark);text-decoration:none}
.btn-sm-x{padding:8px 16px;font-size:.875rem;border-radius:9px}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand);font-size:.8125rem;font-weight:600;line-height:1.6;
}
.badge-accent{background:#FBEBE1;color:var(--warn)}
.badge-gold{background:#F7EFD4;color:#8A6F12}
.badge-ok{background:#E4F0EB;color:var(--ok)}
/* ---------- sections ---------- */
.section{padding:80px 0}
.section-alt{background:var(--surface-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:32px;max-width:820px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;
  color:var(--brand);background:#F6E7EE;border-radius:999px;padding:5px 14px;margin-bottom:14px;letter-spacing:.04em;
}
.section-head h2{font-size:clamp(1.5rem,2.5vw,2.25rem);margin-bottom:10px}
.section-head p{color:var(--muted);font-size:.9375rem}
/* ---------- article hero ---------- */
.article-hero{
  position:relative;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(251,246,242,.96) 0%,rgba(251,246,242,.9) 62%,rgba(251,246,242,.99) 100%),url('/assets/images/e903332299f02f71.webp');
  background-size:cover;background-position:center;
  padding:26px 0 56px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs i{font-size:10px;opacity:.55}
.article-hero-inner{max-width:920px}
.article-title{font-size:clamp(1.7rem,3vw,2.55rem);color:var(--brand-dark);margin:14px 0 16px;letter-spacing:.01em}
.article-lead{font-size:1rem;color:#3A2C32;line-height:1.85;max-width:800px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px;font-size:.8125rem;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand);font-size:.8125rem}
.article-cover{margin-top:32px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh)}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start}
.article-main{min-width:0;max-width:760px}
.summary-box{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--r-sm);padding:22px 24px;margin-bottom:34px;box-shadow:var(--sh);
}
.summary-box h3{font-size:1.0625rem;margin-bottom:12px;color:var(--brand-dark)}
.summary-box ul{list-style:none;margin:0;padding:0}
.summary-box li{position:relative;padding-left:22px;margin-bottom:8px;font-size:.9375rem;color:#3A2C32;line-height:1.7}
.summary-box li:last-child{margin-bottom:0}
.summary-box li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:3px;color:var(--brand);font-size:.72rem;
}
.article-body{font-size:1rem;line-height:1.85;color:#2A2024}
.article-body p{margin:0 0 1em}
.article-body h2{
  font-size:1.375rem;margin:2em 0 .7em;padding-left:14px;
  border-left:4px solid var(--brand);line-height:1.4;
}
.article-body h3{font-size:1.125rem;margin:1.6em 0 .6em;color:var(--brand-dark)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1em}
.article-body li{margin-bottom:.45em}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--surface-alt);
  border-left:4px solid var(--accent);border-radius:var(--r-sm);color:#4A3A40;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.9375rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--surface-alt);font-weight:700;color:var(--brand-dark)}
.article-body img{border-radius:14px;margin:1.5em 0}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:.8125rem;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:52px 24px;text-align:center;
}
.empty-state i{font-size:2rem;color:var(--brand);opacity:.45}
.empty-state h2{font-size:1.25rem;margin:14px 0 8px;color:var(--brand-dark)}
.empty-state p{color:var(--muted);font-size:.9375rem;margin-bottom:22px}
/* ---------- toc ---------- */
.toc{
  position:sticky;top:24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh);
}
.toc summary{
  list-style:none;cursor:pointer;font-size:.9375rem;font-weight:700;color:var(--brand-dark);
  display:flex;align-items:center;gap:8px;margin-bottom:12px;
}
.toc summary::-webkit-details-marker{display:none}
.toc summary i{color:var(--brand);font-size:.8125rem}
.toc-nav{display:flex;flex-direction:column}
.toc-nav a{
  font-size:.875rem;color:var(--muted);padding:7px 0 7px 14px;
  border-left:2px solid var(--line);transition:color .2s,border-color .2s,padding .2s;
}
.toc-nav a:hover{color:var(--brand);border-left-color:var(--brand);padding-left:18px;text-decoration:none}
/* ---------- author ---------- */
.author-box{
  display:flex;gap:16px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;margin-top:42px;box-shadow:var(--sh);
}
.author-avatar{
  width:56px;height:56px;flex:0 0 56px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:1.125rem;
  font-family:"Source Han Serif SC","Songti SC",serif;
}
.author-box h3{font-size:1rem;margin-bottom:4px}
.author-box p{font-size:.875rem;color:var(--muted);margin:0;line-height:1.75}
/* ---------- relate cards ---------- */
.relate-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);height:100%;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DCC8BD;text-decoration:none}
.rel-thumb{aspect-ratio:16/10;background:var(--surface-alt);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:1rem;line-height:1.5;color:var(--text);transition:color .2s}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body p{
  font-size:.8125rem;color:var(--muted);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-time{font-size:.75rem;color:var(--muted);margin-top:auto;display:flex;align-items:center;gap:6px}
/* ---------- faq ---------- */
.faq-box{max-width:860px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 24px;box-shadow:var(--sh)}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-item:last-child{border-bottom:0}
.accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  background:transparent;color:var(--text);font-weight:600;font-size:1rem;
  padding:18px 0;box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--brand);box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:none}
.accordion-button::after{display:none}
.acc-icon{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--surface-alt);
  color:var(--brand);display:grid;place-items:center;font-size:12px;transition:.25s;
}
.accordion-button:not(.collapsed) .acc-icon{background:var(--brand);color:#fff;transform:rotate(45deg)}
.accordion-body{padding:0 0 20px;font-size:.9375rem;color:#3A2C32;line-height:1.8}
/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(140deg,var(--brand-dark),var(--brand) 62%,#8C3A58);
  color:#fff;border-radius:var(--r-lg);padding:44px;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  box-shadow:var(--sh);
}
.cta-band h2{color:#fff;font-size:clamp(1.25rem,2vw,1.75rem);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.86);font-size:.9375rem;margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-light-x{background:#fff;color:var(--brand-dark);border-color:#fff}
.btn-light-x:hover{background:#F6E7EE;color:var(--brand-dark);border-color:#F6E7EE;text-decoration:none}
.btn-line-x{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-line-x:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;text-decoration:none}
/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}
.pager a{
  display:flex;flex-direction:column;gap:4px;flex:1 1 260px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;transition:border-color .2s,box-shadow .2s,transform .2s;
}
.pager a:hover{border-color:var(--brand);box-shadow:var(--sh);transform:translateY(-1px);text-decoration:none}
.pager span{font-size:.75rem;color:var(--muted)}
.pager strong{font-size:.9375rem;color:var(--text);font-weight:600;line-height:1.5}
.pager a:hover strong{color:var(--brand)}
/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.82);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;font-size:17px}
.footer-brand strong{color:#fff;font-size:.9375rem;line-height:1.5}
.footer-desc{font-size:.875rem;color:rgba(255,255,255,.7);line-height:1.8;margin:0}
.site-footer h4{color:#fff;font-size:.9375rem;margin-bottom:14px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:8px}
.footer-list a{color:rgba(255,255,255,.75);font-size:.875rem}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;
  font-size:.8125rem;color:rgba(255,255,255,.6);
}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{padding:0 28px}
  .relate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .site-nav{display:none}
  .mobile-bar{display:flex}
  .main-shell{margin-left:0}
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .article-hero{padding:18px 0 40px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-main{max-width:none}
  .toc{position:static;order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:32px}
}
@media (max-width:767px){
  .relate-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .author-box{flex-direction:column}
  .pager a{flex:1 1 100%}
  .brand-text strong{white-space:normal;font-size:12px}
  .article-cover img{aspect-ratio:16/10}
  .faq-box{padding:4px 18px}
}
@media (max-width:575px){
  .article-title{font-size:1.6rem}
  .article-meta{gap:12px}
  .summary-box{padding:18px}
  .cta-band{padding:24px}
  .cta-actions .btn-brand,.cta-actions .btn-light-x{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#7A2E4A;--brand-dark:#5A1F36;--accent:#E08A5B;--gold:#C9A227;
  --bg:#FBF6F2;--surface:#FFFFFF;--surface-alt:#F3E9E2;
  --text:#221A1E;--muted:#6F5E66;--line:#E8DAD2;
  --ok:#3E7C6A;--warn:#B4692E;
  --r-lg:18px;--r-sm:12px;--r-btn:10px;
  --sh:0 10px 30px rgba(90,31,54,.08);
  --sh-hover:0 16px 40px rgba(90,31,54,.14);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;margin-left:var(--nav-w);background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;color:var(--brand-dark);line-height:1.35;letter-spacing:.02em;font-family:"Source Han Serif SC","Songti SC","Noto Sans SC",serif}
h1{font-size:clamp(2rem,4vw,3.25rem)}
h2{font-size:clamp(1.5rem,2.5vw,2.25rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(122,46,74,.28);outline-offset:2px}
/* ---------- nav ---------- */
.site-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:18px;padding:24px 18px;overflow-y:auto;z-index:1040;
}
.brand{display:flex;align-items:center;gap:10px}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;display:grid;place-items:center;
  font-family:"Source Han Serif SC","Songti SC",serif;font-weight:700;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand-text strong{font-size:13px;color:var(--brand-dark);letter-spacing:.01em;line-height:1.45}
.brand-text small{font-size:11px;color:var(--muted)}
.nav-label{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:600;margin-top:6px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  color:var(--text);font-size:14.5px;font-weight:500;border-left:3px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.nav-item i{width:16px;text-align:center;font-size:13px;color:var(--muted);transition:color .2s}
.nav-item:hover{background:var(--surface-alt);color:var(--brand);text-decoration:none}
.nav-item.active{background:#F6E7EE;color:var(--brand-dark);border-left-color:var(--brand);font-weight:700}
.nav-item.active i{color:var(--brand)}
.nav-cta{margin-top:auto;background:linear-gradient(160deg,#F7E9EF,#F3E9E2);border:1px solid var(--line);border-radius:14px;padding:16px}
.nav-cta h4{font-size:.9375rem;margin-bottom:6px}
.nav-cta p{font-size:.8125rem;color:var(--muted);margin-bottom:12px;line-height:1.6}
.nav-cta .btn-brand{width:100%;justify-content:center;padding:10px 14px;font-size:.875rem}
.mobile-bar{
  position:sticky;top:0;z-index:1035;display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 20px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.hamburger{
  width:44px;height:44px;border-radius:11px;border:1px solid var(--line);background:var(--surface);
  color:var(--brand);display:grid;place-items:center;font-size:17px;transition:.2s;
}
.hamburger:hover{background:var(--surface-alt)}
.offcanvas{background:var(--surface);width:290px}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:18px}
/* ---------- buttons & badges ---------- */
.btn-brand,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-weight:600;font-size:.9375rem;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .22s,color .22s,border-color .22s,transform .22s,box-shadow .22s;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);text-decoration:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:#F6E7EE;color:var(--brand-dark);transform:translateY(-1px);text-decoration:none}
.btn-soft{background:var(--surface-alt);color:var(--brand-dark);border-color:var(--line)}
.btn-soft:hover{background:#EBD9CF;color:var(--brand-dark);text-decoration:none}
.btn-sm-x{padding:8px 16px;font-size:.875rem;border-radius:9px}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand);font-size:.8125rem;font-weight:600;line-height:1.7;
}
.badge-accent{background:#FBEBE1;color:var(--warn)}
.badge-gold{background:#F7EFD4;color:#8A6F12}
.badge-ok{background:#E4F0EB;color:var(--ok)}
/* ---------- layout ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.sec{padding:80px 0}
.sec-alt{background:var(--surface-alt)}
.sec-line{border-top:1px solid var(--line)}
.sec-head{margin-bottom:34px;max-width:780px}
.sec-head h2{margin:12px 0 12px}
.sec-head p{color:var(--muted);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;
  color:var(--brand);background:#F6E7EE;border-radius:999px;padding:5px 14px;letter-spacing:.04em;
}
/* ---------- category hero ---------- */
.cat-hero{
  position:relative;padding:34px 0 64px;border-bottom:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(251,246,242,.97) 0%,rgba(246,235,240,.94) 52%,rgba(243,233,226,.88) 100%),url('/assets/images/e903332299f02f71.webp');
  background-size:cover;background-position:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--muted);margin-bottom:26px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;opacity:.7}
.cat-hero-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:44px;align-items:start}
.flash-tag{
  display:inline-block;background:var(--gold);color:#3A2A05;font-size:.75rem;font-weight:800;
  padding:3px 11px;border-radius:999px;letter-spacing:.05em;margin-bottom:16px;
}
.cat-hero h1{margin-bottom:18px}
.cat-lead{font-size:1.0625rem;color:#3A2C32;line-height:1.85;margin-bottom:24px;max-width:640px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px}
.overview-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);
}
.overview-panel h3{font-size:1.0625rem;margin-bottom:4px}
.overview-panel .panel-sub{font-size:.8125rem;color:var(--muted);margin-bottom:16px}
.overview-list{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:12px}
.overview-list li{display:flex;gap:12px;align-items:flex-start;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.overview-list li:last-child{border-bottom:0;padding-bottom:0}
.overview-list .dot{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;background:#F6E7EE;color:var(--brand);
  display:grid;place-items:center;font-size:12px;
}
.overview-list strong{display:block;font-size:.9375rem;color:var(--brand-dark);font-weight:600;line-height:1.5}
.overview-list span{font-size:.8125rem;color:var(--muted)}
.panel-note{font-size:.8125rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:22px 24px;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.metric-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.metric-num{font-family:"Source Han Serif SC","Songti SC",serif;font-size:2rem;font-weight:700;color:var(--brand);line-height:1.1}
.metric-label{font-size:.875rem;color:var(--muted);margin-top:8px}
/* ---------- toolbar ---------- */
.toolbar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 20px;box-shadow:var(--sh);margin-bottom:28px;
}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:.875rem;color:var(--muted);cursor:pointer;transition:.2s;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.toolbar-selects{display:flex;flex-wrap:wrap;gap:10px}
.toolbar .form-select{
  height:40px;border-radius:9px;border:1px solid var(--line);font-size:.875rem;
  color:var(--text);background-color:var(--surface);min-width:150px;
}
.toolbar .form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,46,74,.15)}
/* ---------- post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s,border-color .25s;height:100%;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#DCC8BD}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.thumb-tag{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);
  color:var(--brand-dark);font-size:.75rem;font-weight:700;padding:4px 11px;border-radius:999px;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:1.0625rem;line-height:1.55}
.post-title a{color:var(--brand-dark)}
.post-title a:hover{color:var(--brand);text-decoration:none}
.post-excerpt{
  color:var(--muted);font-size:.9375rem;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
}
.post-meta i{margin-right:5px;font-size:11px}
.list-foot{display:flex;justify-content:center;margin-top:36px}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:28px;color:var(--brand);display:block;margin-bottom:14px}
.empty-state strong{display:block;color:var(--brand-dark);font-size:1.0625rem;margin-bottom:8px}
/* ---------- topic cards ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{
  display:flex;flex-direction:column;gap:12px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s;height:100%;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.topic-card h3{font-size:1.0625rem}
.topic-card p{color:var(--muted);font-size:.9375rem;margin:0}
.topic-link{font-size:.875rem;font-weight:600;margin-top:auto;padding-top:8px}
.topic-link i{font-size:11px;margin-left:6px}
/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq .accordion-item:first-child{border-top:1px solid var(--line)}
.faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--brand-dark);font-weight:600;
  font-size:1.0625rem;padding:20px 12px;line-height:1.6;
}
.faq .accordion-button:not(.collapsed){background:#F6E7EE;color:var(--brand-dark);border-radius:10px}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq .accordion-button::after{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--surface-alt);
  background-image:none;content:"+";display:grid;place-items:center;
  color:var(--brand);font-size:1rem;line-height:1;transform:none;
}
.faq .accordion-button:not(.collapsed)::after{content:"−";background:#fff;transform:none}
.faq .accordion-body{padding:4px 12px 22px;color:var(--muted);font-size:.9375rem;line-height:1.8}
/* ---------- tool cards ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tool-card{
  display:flex;gap:18px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s;
}
.tool-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.tool-icon{
  width:52px;height:52px;flex:0 0 52px;border-radius:14px;background:#F6E7EE;color:var(--brand);
  display:grid;place-items:center;font-size:20px;
}
.tool-card h3{font-size:1.0625rem;margin-bottom:6px}
.tool-card p{color:var(--muted);font-size:.9375rem;margin-bottom:12px}
/* ---------- subscribe ---------- */
.sub-card{
  background:linear-gradient(150deg,#FFFFFF 0%,#F7EBF0 60%,#F3E9E2 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh);
  display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;
}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 220px;height:48px;padding:0 16px;border-radius:8px;border:1px solid var(--line);
  background:var(--surface);font-size:.9375rem;transition:.2s;
}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,46,74,.15)}
.sub-form .btn-brand{height:48px;padding:0 26px}
/* ---------- back bar ---------- */
.back-bar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh);
}
.back-links{display:flex;flex-wrap:wrap;gap:10px}
/* ---------- footer ---------- */
.site-footer{background:#3A2230;color:rgba(255,255,255,.76);padding:64px 0 24px;margin-top:0}
.site-footer h4{color:#fff;font-size:.9375rem;margin-bottom:14px;letter-spacing:.04em}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:17px}
.footer-brand strong{color:#fff;font-size:.9375rem;line-height:1.5}
.footer-desc{font-size:.875rem;color:rgba(255,255,255,.66);line-height:1.8;margin:0}
.footer-list{display:flex;flex-direction:column;gap:9px}
.footer-list a{color:rgba(255,255,255,.72);font-size:.875rem}
.footer-list a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;
  font-size:.8125rem;color:rgba(255,255,255,.55);
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .wrap{padding:0 28px}
  .cat-hero-grid{gap:32px}
  .post-grid{gap:20px}
}
@media (max-width:992px){
  body{margin-left:0}
  .site-nav{display:none}
  .mobile-bar{display:flex}
  .sec{padding:56px 0}
  .wrap{padding:0 20px}
  .cat-hero{padding:24px 0 44px}
  .cat-hero-grid{grid-template-columns:1fr;gap:24px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:1fr}
  .tool-grid{grid-template-columns:1fr}
  .sub-card{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .post-grid{grid-template-columns:1fr}
  .toolbar{padding:14px 16px}
  .toolbar-selects{width:100%}
  .toolbar .form-select{flex:1 1 140px}
  .back-bar{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  h1{font-size:clamp(1.65rem,6vw,2.25rem)}
}
@media (max-width:576px){
  .metric-grid{grid-template-columns:1fr}
  .sub-form input{flex:1 1 100%}
  .sub-form .btn-brand{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
}